Power Electronics / Power Management


Latest Articles

Offline PWM controller
3 February 2010, Altron Arrow
Texas Instruments recently introduced an offline green mode pulse width modulation (PWM) controller that minimises space and system cost while providing high efficiency in power supply applications. The ...

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Quarter-brick power module
3 February 2010
The new QW24T25033 from Power-One is a quarter-brick DC-DC converter for use in communications, particularly wireless base station applications that utilise both 24 V and 48 V battery backup power. This ...

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DC-DC converters with high power density
3 February 2010, Vepac Electronics
XP Power has made new additions to its range of encapsulated PCB mount compact DC-DC converters. Housed in a metal package, the 15 Watt JTK15 and 30 Watt JTL30 series can accommodate a wide 4:1 input ...

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Power supplies for outdoor use
3 February 2010, Current Automation
Mean Well has launched two new 240 W power supply ranges for application in LED lighting, architecture decoration and outdoor lighting. Featuring built-in PFC (power factor correction), the HLG-240 is ...

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Half bridge for power supplies and drives
3 February 2010, Hi-Q Electronics
Diotec has introduced a new device called the S16 – a half bridge or so-called voltage doubler, with two diodes in series packaged in one TO-263/D²PAK outline. Two or three of these devices can be used ...

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High-current contactors
3 February 2010, Denver Technical Products
The latest addition to Gigavac’s family of GX contactors is the GX15, which is rated at 500 A, 750 V a.c. or d.c. Coil voltages of 12/24/28/48/72/120 V d.c. and 115/240, 50/60 Hz a.c. are available. The ...

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Buck regulator boasts high power density
3 February 2010, MB Silicon Systems
Micrel has added the MIC22950 to its high power density family of buck regulators. The synchronous step-down regulator features 10 A integrated SuperThermal MOSFETs and is optimised for high efficiency ...

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Dual 600 mA buck regulator
3 February 2010
Analog Devices has introduced a miniature dual buck regulator for space-constrained portable electronic systems. At just 2 × 2 × 0,6 mm, the dual 600 mA ADP5022 includes an additional 150 mA on-chip LDO ...

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PMIC with configurable startup sequences
3 February 2010, ASIC Design Services, NuVision Electronics
The AS3607 from austriamicrosystems is a highly integrated power management IC (PMIC) featuring a high level of startup sequence programmability, making it suitable for portable navigation devices, portable ...

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550 VA UPS
3 February 2010
APC has launched its Back-UPS RS 550 VA line-interactive uninterruptible power supply (UPS) offering energy efficient charging, shutting off power to computer peripherals when the computer is in sleep ...

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Low-loss 1200 V IGBTs
3 February 2010
A new series of power transistors from STMicroelectronics is designed to reduce the environmental impact of daily-use equipment such as home appliances, HVAC systems and industrial machines by minimising ...

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Energy metering ICs
3 February 2010
Four new energy metering ICs from Analog Devices are targeted at improving the accuracy and performance of commercial, industrial and residential smart meters. The ADE7878, ADE7868, ADE7858 and ADE7854 ...

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Cast resin transformers
3 February 2010
Legrand has released new cast resin transformers manufactured by its subsidiary, EdM, for the distribution of electrical power, energy co-generation, rectification and traction. EdM units meet stringent ...

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Half-brick converter with wide output range
3 February 2010
New from Power-One is the HBA48T12280, a highly efficient 350 W half-brick DC-DC converter for use in cellular infrastructure applications and more specifically to RF amplifier applications. The device ...

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Rugged DC-DC controller
3 February 2010, CST Electronics
Maxim’s MAX15046 is a 40 V-input DC-DC controller that integrates rugged protection features to ensure reliable operation in even the harshest operating environments. This robust device is well suited ...

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P-channel power MOSFET
3 February 2010, EBV Electrolink
Vishay’s new SiA433EDJ is a 20 V p-channel power MOSFET with low on-resistance in the compact 2 by 2 mm footprint area of the thermally enhanced PowerPAK SC-70. The device is the newest product built ...

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45 W LED power supply
3 February 2010, Current Automation
To meet the demands of the LED lighting and decorative lighting markets, Mean Well has introduced a new AD/DC enclosed type LED power supply. The 45 W PLN-45 series comes in a fully isolated plastic case ...

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Low-capacitance steering diodes
3 February 2010, Hi-Q Electronics
Diotec has introduced the MYS series of miniature bridge rectifiers, ideally suited as protective elements for high-speed telecommunication systems. The typical junction capacitance of these devices is ...

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Voltage regulator delivers 10 A
3 February 2010, Future Electronics
International Rectifier’s IR3870M SupIRBuck is an integrated voltage regulator for applications including set-top boxes and general-purpose point-of-load (POL) DC-DC converters. The device features an ...

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Low-power load switch
20 January 2010, Hi-Q Electronics
Advanced Analogic Technologies has introduced the AAT4702, a highly integrated load switch that consumes just 15 μA quiescent current. Packaged in a compact 8-pin, 2 x 2 mm FTDFN package, the device ...

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